package com.example.telesys.service;

import com.example.telesys.pojo.Customer;

import java.util.List;

public interface CustomerService {
    int addCustomer(String username);

    int updateCustomerInfo(Customer customer);

    Customer selectCustomerInfo(String username);

    List<Customer> selectAllCustomers();

    List<Customer> selectCustomersByName(String customername);
}
